λ
Sequence Observatory

7,717,567

11 × 13 × 29 × 1861
Deficient Odd Composite

Starting at 7,717,567, the Collatz iteration reaches 1 after 230 steps. The first transition is 23152702; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 11 × 13 × 29 × 1861
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 9,384,480
Proper Divisor Sum 1,666,913
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #7717547 ← → #7717579

Radix Representation

Decimal 7717567
Binary 11101011100001010111111 (23 bits)
Octal 0o35341277
Hexadecimal 0x75C2BF

Divisor Catalog (5 of 16)

1 11 13 29 143

Collatz Trajectory (230 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

7,717,567 23,152,702 11,576,351 34,729,054 17,364,527

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